Mercurial > prosody-modules
annotate mod_storage_ldap/mod_storage_ldap.lua @ 820:005037032d65
mod_mam_muc: MUC version of mod_mam
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 17 Sep 2012 20:14:51 +0200 |
| parents | 2469f779b3f7 |
| children | e099586f9de5 |
| rev | line source |
|---|---|
| 809 | 1 -- vim:sts=4 sw=4 |
| 2 | |
| 3 -- Prosody IM | |
| 4 -- Copyright (C) 2008-2010 Matthew Wild | |
| 5 -- Copyright (C) 2008-2010 Waqas Hussain | |
| 6 -- Copyright (C) 2012 Rob Hoelz | |
| 7 -- | |
| 8 -- This project is MIT/X11 licensed. Please see the | |
| 9 -- COPYING file in the source package for more information. | |
| 10 -- | |
| 11 | |
| 12 ---------------------------------------- | |
| 13 -- Constants and such -- | |
| 14 ---------------------------------------- | |
| 15 | |
| 16 local setmetatable = setmetatable; | |
| 17 local ldap = module:require 'ldap'; | |
| 18 local vcardlib = module:require 'ldap/vcard'; | |
| 19 local st = require 'util.stanza'; | |
| 20 local gettime = require 'socket'.gettime; | |
| 21 | |
| 22 if not ldap then | |
| 23 return; | |
| 24 end | |
| 25 | |
| 26 local CACHE_EXPIRY = 300; | |
| 27 local params = module:get_option('ldap'); | |
| 28 | |
| 29 ---------------------------------------- | |
| 30 -- Utility Functions -- | |
| 31 ---------------------------------------- | |
| 32 | |
| 33 local function ldap_record_to_vcard(record) | |
| 34 return vcardlib.create { | |
| 35 record = record, | |
| 36 format = params.vcard_format, | |
| 37 } | |
| 38 end | |
| 39 | |
| 40 local get_alias_for_user; | |
| 41 | |
| 42 do | |
| 43 local user_cache; | |
| 44 local last_fetch_time; | |
| 45 | |
| 46 local function populate_user_cache() | |
| 47 local ld = ldap.getconnection(); | |
| 48 | |
| 49 local usernamefield = params.user.usernamefield; | |
| 50 local namefield = params.user.namefield; | |
| 51 | |
| 52 user_cache = {}; | |
| 53 | |
| 54 for _, attrs in ld:search { base = params.user.basedn, scope = 'onelevel', filter = params.user.filter } do | |
| 55 user_cache[attrs[usernamefield]] = attrs[namefield]; | |
| 56 end | |
| 57 last_fetch_time = gettime(); | |
| 58 end | |
| 59 | |
| 60 function get_alias_for_user(user) | |
| 61 if last_fetch_time and last_fetch_time + CACHE_EXPIRY < gettime() then | |
| 62 user_cache = nil; | |
| 63 end | |
| 64 if not user_cache then | |
| 65 populate_user_cache(); | |
| 66 end | |
| 67 return user_cache[user]; | |
| 68 end | |
| 69 end | |
| 70 | |
| 71 ---------------------------------------- | |
| 72 -- General Setup -- | |
| 73 ---------------------------------------- | |
| 74 | |
| 75 local ldap_store = {}; | |
| 76 ldap_store.__index = ldap_store; | |
| 77 | |
| 78 local adapters = { | |
| 79 roster = {}, | |
| 80 vcard = {}, | |
| 81 } | |
| 82 | |
| 83 for k, v in pairs(adapters) do | |
| 84 setmetatable(v, ldap_store); | |
| 85 v.__index = v; | |
| 86 v.name = k; | |
| 87 end | |
| 88 | |
| 89 function ldap_store:get(username) | |
| 90 return nil, "get method unimplemented on store '" .. tostring(self.name) .. "'" | |
| 91 end | |
| 92 | |
| 93 function ldap_store:set(username, data) | |
| 94 return nil, "LDAP storage is currently read-only"; | |
| 95 end | |
| 96 | |
| 97 ---------------------------------------- | |
| 98 -- Roster Storage Implementation -- | |
| 99 ---------------------------------------- | |
| 100 | |
| 101 function adapters.roster:get(username) | |
| 102 local ld = ldap.getconnection(); | |
| 103 local contacts = {}; | |
| 104 | |
| 105 local memberfield = params.groups.memberfield; | |
| 106 local namefield = params.groups.namefield; | |
| 107 local filter = memberfield .. '=' .. tostring(username); | |
| 108 | |
| 109 local groups = {}; | |
| 110 for _, config in ipairs(params.groups) do | |
| 111 groups[ config[namefield] ] = config.name; | |
| 112 end | |
| 113 | |
| 114 -- XXX this kind of relies on the way we do groups at INOC | |
| 115 for _, attrs in ld:search { base = params.groups.basedn, scope = 'onelevel', filter = filter } do | |
| 116 if groups[ attrs[namefield] ] then | |
| 117 local members = attrs[memberfield]; | |
| 118 | |
| 119 for _, user in ipairs(members) do | |
| 120 if user ~= username then | |
| 121 local jid = user .. '@' .. module.host; | |
| 122 local record = contacts[jid]; | |
| 123 | |
| 124 if not record then | |
| 125 record = { | |
| 126 subscription = 'both', | |
| 127 groups = {}, | |
| 128 name = get_alias_for_user(user), | |
| 129 }; | |
| 130 contacts[jid] = record; | |
| 131 end | |
| 132 | |
| 133 record.groups[ groups[ attrs[namefield] ] ] = true; | |
| 134 end | |
| 135 end | |
| 136 end | |
| 137 end | |
| 138 | |
| 139 return contacts; | |
| 140 end | |
| 141 | |
| 142 ---------------------------------------- | |
| 143 -- vCard Storage Implementation -- | |
| 144 ---------------------------------------- | |
| 145 | |
| 146 function adapters.vcard:get(username) | |
| 147 if not params.vcard_format then | |
| 148 return nil, ''; | |
| 149 end | |
| 150 | |
| 151 local ld = ldap.getconnection(); | |
| 152 local filter = params.user.usernamefield .. '=' .. tostring(username); | |
| 153 | |
| 154 local match = ldap.singlematch { | |
| 155 base = params.user.basedn, | |
| 156 filter = filter, | |
| 157 }; | |
| 158 if match then | |
| 159 match.jid = username .. '@' .. module.host | |
| 160 return st.preserialize(ldap_record_to_vcard(match)); | |
| 161 else | |
| 162 return nil, 'not found'; | |
| 163 end | |
| 164 end | |
| 165 | |
| 166 ---------------------------------------- | |
| 167 -- Driver Definition -- | |
| 168 ---------------------------------------- | |
| 169 | |
|
813
2469f779b3f7
mod_storage_*: Update to use module:provides().
Waqas Hussain <waqas20@gmail.com>
parents:
809
diff
changeset
|
170 local driver = {}; |
| 809 | 171 |
| 172 function driver:open(store, typ) | |
| 173 local adapter = adapters[store]; | |
| 174 | |
| 175 if adapter and not typ then | |
| 176 return adapter; | |
| 177 end | |
| 178 return nil, "unsupported-store"; | |
| 179 end | |
|
813
2469f779b3f7
mod_storage_*: Update to use module:provides().
Waqas Hussain <waqas20@gmail.com>
parents:
809
diff
changeset
|
180 module:provides("storage", driver); |